Stassi sits next to 3 phonetic neighbors — Stacy, Cassie, and Sassy are the closest matches by sound. Most share Stassi's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"she who shall rise again"
"invented melodic name (-elle suffix)"
"variant of Kayla, meaning 'keeper of the keys' or 'pure'"
"life, living"
"bright, shining"
"heavenly, royal"
"spiritual God-reference through -yah suffix"
"calm as still waters"
"gentle horse, pretty one"
"modern invention with Celtic aesthetic"
"pearl"
"valley waterfall"
"judged by God"
"crooked nose, winding river bend"
"from the Adriatic Sea region"
"dear to Saturn"
"full of grace"
"pearl"
"graceful wave, path of beauty"
"queen"
"jade stone and lake/pool"
Similar sound: These names share phonetic patterns with Stassi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Stassi.
Rhythm: Stassi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.